import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: YKH
 * Date: 2022-03-13
 * Time: 14:52
 */
public class practice {
    public static void main(String[] args) {
        double a=1.1;
        double b=1.1;
        System.out.println(a*b);

    }
    //数组的定义与使用  实现冒泡排序
    public static void main3(String[] args) {
        Scanner scan = new Scanner(System.in);
        int [] arr = new int [10];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = scan.nextInt();
        }
        for (int i = 0; i < arr.length - 1; i++) {
            for (int j = 0; j < arr.length-i-1 ; j++) {
                int temp=0;
                if(arr[j] > arr[j+1]){
                    temp= arr[j];
                    arr[j] = arr[j+1];
                    arr[j+1] = temp;
                }
            }
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i]+" ");
        }
        scan.close();
    }
    //方法的重载
    public static void main2(String[] args) {
        int a=10;
        int b=20;
        int c=30;
        System.out.println(add(a,b,c));
    }
    public static  int add(int a,int b,int c){
        return a+b+c;
    }
    public static int add (int a,int b){
        return a+b;
    }
    //打印三角形
    public static void main1(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        int i = 0;
        int j = 0;
        for (i = 0; i < n; i++) {
            for (j = 0; j < 2*n-1; j++) {
                if (j < n-i-1) {
                    System.out.print(" ");
                } else if (j >= n-i-1 && j <= n+i-1) {
                    System.out.print("*");
                }
            }
            System.out.println();
        }
    }
}
